Natural volcanic rocks absorb and gradually release fragrance for a long-lasting aroma experience. Includes Perfume Noir scent — a refined blend featuring earthy, smoky, and woody notes with a subtle touch of sweetness and spice, creating a warm and sophisticated atmosphere. Reusable and eco-friendly design — simply reapply essential oil to refresh the scent. Safe, non-electric diffuser that requires no flame, batteries, or maintenance. Minimalist glass container enhances any interior décor, from home to spa or office settings. Easy to use: apply a few drops of oil onto the stones, let them absorb, and enjoy a continuous fragrance release. Ideal for home, spa, office, or relaxation gift sets